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CharlyFoxtrot (1607527) writes "The geeks over on the fail0verflow blog took apart an AT&T Microcell device which is "essentially a small cell-tower in a box, which shuttles your calls and data back to the AT&T mothership over your home broadband connection." They soon uncovered some real security issues including a backdoor : "We believe that this backdoor is NOT meant to be globally accessible. It is probably only intended to be used over the IPSEC tunnel which the picoChip SoC creates. [...] Unfortunately, they set up the wizard to bind on 0.0.0.0, so the backdoor is accessible over the WAN interface.""Link to Original Source